With orders of $25 or more, Amazon offers its Prime members the BIC Round Stic Ball Pen 60-Pack in Blue, model no. GSM609-BE, for $3.99. Clip the $1 off coupon on the product page and add it to your cart to drop it to $2.99. With free shipping ($0.05/pen), that's the lowest total price we could find for this quantity elsewhere by $3. (Non-members can spend $35 to qualify for free shipping.) These pens feature a translucent design.
Note: This item is part of Amazon's "Add-on program"; it can only be purchased with an order of $25 or more.